| function chaf(){ | |
| var ajax=Ajax(); | |
| var username=''; | |
| //return; | |
| ajax.get("getpw.php?do=chaf&username="+ encodeURI(username),function(data){ | |
| $$$('con3').innerHTML=data; | |
| }); | |
| } | |
function Ajax(recvType){ var aj=new Object(); aj.recvType=recvType ? recvType.toUpperCase() : 'HTML'; //向形参中传递的文件类型 aj.targetUrl=''; aj.sendString=''; aj.resultHandle=null; /*创建XMLHttpRequest对象*/ aj.createXMLHttpRequest=function(){ var xmlHttp = false; if(window.XMLHttpRequest){ //在非IE中创建XMLHttpRequest对象 xmlHttp = new XMLHttpRequest(); }else if(window.ActiveXObject){ try{ xmlHttp = new ActiveXObject("Msxml2.XMLHTTP"); //按新版IE创建 }catch(error1){ //创建失败 try{ xmlHttp = new ActiveXobject("Microsoft.XMLHttp"); //按老版IE创建 }catch(error2){ //创建失败 xmlHttp = false; } } } return xmlHttp; } aj.XMLHttpRequest=aj.createXMLHttpRequest(); /*处理服务器的响应*/ aj.processHandle=function(){ if(aj.XMLHttpRequest.readyState == 4){ if(aj.XMLHttpRequest.status == 200){ if(aj.recvType=="HTML") aj.resultHandle(aj.XMLHttpRequest.responseText); else if(aj.recvType=="XML") aj.resultHandle(aj.XMLHttpRequest.responseXML); } } } /*定义使用get方法传递的方法*/ aj.get=function(targetUrl, resultHandle){ aj.targetUrl=targetUrl; if(resultHandle!=null){ aj.XMLHttpRequest.onreadystatechange=aj.processHandle; aj.resultHandle=resultHandle; } if(window.XMLHttpRequest){ aj.XMLHttpRequest.open("get", aj.targetUrl); aj.XMLHttpRequest.send(null); }else{ aj.XMLHttpRequest.open("get", aj.targetUrl, true); aj.XMLHttpRequest.send(); } } /*定义使用post方法传递的方法*/ aj.post=function(targetUrl, sendString, resultHandle){ aj.targetUrl=targetUrl; if(typeof(sendString)=="object"){ var str=""; for(var pro in sendString){ str+=pro+"="+sendString[pro]+"&"; } aj.sendString=str.substr(0, str.length-1); }else{ aj.sendString=sendString; } if(resultHandle!=null){ aj.XMLHttpRequest.onreadystatechange=aj.processHandle; aj.resultHandle=resultHandle; } aj.XMLHttpRequest.open("post", targetUrl); aj.XMLHttpRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); aj.XMLHttpRequest.send(aj.sendString); } return aj;}var $$$ = function (id) {return document.getElementById(id);}